[Event "MAGISTRAL ALBERTO LOMBARDI - CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.09.29"] [Round "1.1"] [White "Laba, Otavio De Souza"] [Black "Bastos Pinto, Selmo"] [Result "1-0"] [ECO "B54"] [WhiteElo "1902"] [BlackElo "2066"] [Annotator "Chessbase"] [PlyCount "31"] [EventDate "2025.??.??"] {[%evp 0,31,19,38,72,47,88,61,61,37,61,37,60,55,73,46,93,53,46,39,55,64,66,24,30,-19,69,73,112,51,51,55,341,342]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 h6 6. Be3 a6 (6... Nc6 7. Bb5 Bd7 8. O-O g6 9. h3 Bg7 10. Qd2 Nxd4 11. Bxd7+ Qxd7 12. Bxd4 O-O 13. Rad1 Qc6 14. Bxf6 Bxf6 15. Nd5 Rfe8 16. Qxh6 Qxc2 17. Rd2 Qxe4 18. Nc7 Qa4 19. a3 Rac8 20. Nxe8 Qxe8 21. Qe3 {Run Forrest,R (2661)-OpenFormula,R (2739) Playchess.com INT 2007 ½-½ (59)}) 7. Be2 (7. f4 e5 8. Nf3 Qc7 9. Qd2 Be6 10. O-O-O Nbd7 11. Kb1 Rc8 12. h3 b5 13. Nd5 Nxd5 14. exd5 Bf5 15. Bd3 e4 16. Rde1 Be7 17. Nd4 Bh7 18. Be2 Nf6 19. Bg4 Ra8 20. Bf5 Qc4 21. Bxh7 Rxh7 {Qalichava,A (2180)-Prraneeth,V (2442) Petrovac MNE 2025 ½-½ (72)}) 7... e6 8. Qd2 $146 (8. O-O Bd7 (8... Be7 9. f4 (9. Qd2 Nbd7 10. f4 Qc7 11. f5 e5 12. Ne6 fxe6 13. fxe6 Nb6 14. Nd5 Nbxd5 15. exd5 b6 16. a4 Bb7 17. Ra3 Nxd5 18. Bh5+ Kd8 19. Kh1 Nxe3 20. Qxe3 Bg5 21. Qf2 d5 22. Rc3 Bc6 {Koksal,R (1860)-Celik,E (1733) Kemer 2014 0-1 (48)}) 9... Qc7 10. Bf3 O-O 11. Qe1 e5 12. Nde2 Nc6 13. Qg3 Nh7 14. Nd5 Qd8 15. fxe5 Bh4 16. Nf6+ Bxf6 17. exf6 Qxf6 18. Nc3 Be6 19. Qxd6 Rfd8 20. Qg3 Ne5 21. Bh5 Qe7 22. Qxe5 Qd6 {Virnik,E (2160)-Ibisoglu,A Mureck 1998 1-0 (36)}) 9. Kh1 Be7 10. f4 Nc6 11. Bf3 O-O 12. Qd2 Qc7 13. Rad1 Rac8 14. a3 Rfe8 15. Qf2 b5 16. Nb3 Rf8 17. Bb6 Qb7 18. e5 dxe5 19. fxe5 Nh7 20. Na5 Qb8 21. Rxd7 Rfe8 22. Nxc6 Rxc6 {Chong,M-Tan,L Chiangmai 2013 1-0 (33)}) 8... Be7 $6 {Inaccuracy. Nbd7 was best.} (8... Nbd7 9. a4) 9. O-O-O Qc7 10. g4 Nc6 11. Nb3 $6 {Inaccuracy. Nxc6 was best.} (11. Nxc6 Qxc6 12. f3 b5 13. a3 Bb7 14. h4 O-O-O 15. g5 hxg5 16. hxg5 Nd7) 11... Ne5 $6 {Inaccuracy. b5 was best.} (11... b5) 12. g5 $4 {Blunder. f4 was best.} (12. f4 Nc4 13. Bxc4 Qxc4 14. Qg2 e5 15. f5 b5 16. g5 hxg5 17. Bxg5 a5) 12... Nfg4 $4 {Blunder. hxg5 was best.} (12... hxg5) 13. gxh6 gxh6 14. f4 $6 {Inaccuracy. Bd4 was best.} (14. Bd4 Nf6 15. f4 Nc6 16. Rhf1 Nxd4 17. Qxd4 Rf8 18. Kb1 b5 19. e5 dxe5) 14... Nxe3 15. Qxe3 Nc4 $4 {Blunder. Bd7 was best.} (15... Bd7) 16. Qd4 {1-0 White wins. PRECISÃO: BRANCAS 88% PRETAS 68%} 1-0 [Event "MAGISTRAL ALBERTO LOMBARDI - CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.09.29"] [Round "1.2"] [White "Manzi, Luiz Antonio Bardar"] [Black "Leus, Lucas Resende"] [Result "1/2-1/2"] [ECO "A08"] [WhiteElo "2058"] [BlackElo "1865"] [Annotator "Chessbase"] [PlyCount "100"] [EventDate "2025.??.??"] {[%evp 0,100,38,17,53,-8,-3,4,-1,0,-10,-14,-15,1,8,16,-2,-2,-2,-4,63,15,33,14,39,5,37,64,106,128,128,127,127,83,97,115,122,119,117,90,91,85,112,133,173,113,122,126,113,113,187,116,106,120,104,108,103,84,104,104,120,106,102,96,96,102,104,104,104,101,117,104,126,119,125,124,124,127,127,129,127,118,127,127,132,130,132,127,140,127,140,127,127,127,126,118,118,106,103,105,103,105,105]} 1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. O-O Nc6 5. d4 cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8. c4 Rb8 9. Nc3 Be6 $2 {Mistake. d4 was best.} (9... d4 10. Ne4) 10. Bg5 e4 11. cxd5 $6 {Inaccuracy. Qa4 was best.} (11. Qa4 Qd7 12. a3 Rxb2 13. Rfd1 Be7 14. Bxf6 Bxf6 15. Nxe4 O-O 16. Nxf6+ gxf6) 11... cxd5 12. Bxf6 gxf6 13. Qd4 $146 (13. Qa4+ Qd7 14. Qxd7+ Kxd7 15. Rfd1 Rxb2 (15... f5 16. Nxd5 Rxb2 17. Rac1 Bd6 18. a4 Rc8 19. Nf6+ Ke7 20. Nd5+ Kd8 21. Nc3 Ke7 22. Nd5+ Kf8 23. Rxc8+ Bxc8 24. Nf6 Be7 25. Nd5 Rxe2 26. Bf1 Rc2 27. Ne3 Rc5 {Tremblay,A (2052)-Cloutier,M (2142) Montreal 2015 0-1 (45)}) 16. Bxe4 Bb4 17. Nxd5 Bxd5 18. Rxd5+ Ke6 19. Rb5 Bc3 20. Bf5+ Ke7 21. Rxb2 Bxb2 22. Rd1 Rd8 23. Rxd8 Kxd8 24. Bxh7 Ke7 25. Bf5 Kf8 26. Kg2 Kg7 27. h4 Bd4 {Tremblay,A (2078)-Cloutier,M (2104) Montreal 2013 1-0 (54)}) 13... Bd6 $6 {Inaccuracy. Bb4 was best.} (13... Bb4 14. Qxa7 Qb6 15. Qxb6 Rxb6 16. a4 Ke7 17. Nb5 Bd7 18. Nc7 Kd6 19. a5) 14. Nxd5 Be5 15. Qa4+ Qd7 16. Qxd7+ $6 {Inaccuracy. Qxe4 was best.} (16. Qxe4 Bxd5 17. Qxd5 Qxd5 18. Bxd5 Rxb2 19. Rac1 O-O 20. e3 Rd8 21. Bb3 Rdd2) 16... Kxd7 17. Bxe4 Bxd5 $2 {Mistake. f5 was best.} (17... f5 18. Bf3 Rxb2 19. Rfd1 Rhb8 20. Nb4+ Bd6 21. Nc6 Rc8 22. Nd4 Ke7 23. a4) 18. Bxd5 Rxb2 19. Rad1 $6 {Inaccuracy. e3 was best.} (19. e3 Ke7 20. Rac1 Rd8 21. Bb3 Kf8 22. Rc4 Rd7 23. Ra4 Kg7 24. Rg4+ Kf8) 19... Ke7 20. e3 Rc8 21. Bb3 h5 $4 {Blunder. a5 was best.} (21... a5) 22. f4 $2 {Mistake. Rd5 was best.} (22. Rd5 Rc7 23. Rfd1 h4 24. gxh4 Kf8 25. h5 Kg7 26. Rd7 Rb1 27. Rxf7+ Rxf7) 22... Bd6 23. Rf2 Rxf2 24. Kxf2 h4 25. g4 $4 {Blunder. gxh4 was best.} (25. gxh4 Rc3 26. Rd5 Bc5 27. h5 Bxe3+ 28. Kf3 Kf8 29. Kg4 Rc7 30. h6 Kg8) 25... Rc3 26. Ke2 Bc5 27. Rd3 Rc1 28. Bd1 Ra1 29. Rd2 Bb6 30. Bb3 Rh1 31. Kf3 Rf1+ 32. Rf2 Re1 33. Re2 Rg1 34. Bc2 Bc5 35. Bf5 Rc1 36. Rc2 Rxc2 37. Bxc2 Bb4 38. h3 Be1 39. Ke4 Bd2 40. Kd4 Be1 41. Kd3 Bg3 42. Ke2 Kf8 43. Kf3 Ke7 44. Bb3 Kf8 45. Ke4 Ke7 46. Kf5 Bf2 47. e4 Bd4 48. g5 fxg5 49. Kxg5 Bf2 50. e5 Bg3 {1/2-1/2 wins. PRECISÃO: BRANCAS 91% PRETAS 91%} 1/2-1/2 [Event "MAGISTRAL ALBERTO LOMBARDI - CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.09.29"] [Round "1.3"] [White "Franca, Joao Vitor Da Silva"] [Black "Frolov, Ivan"] [Result "1-0"] [ECO "C54"] [WhiteElo "1845"] [BlackElo "2041"] [Annotator "Chessbase"] [PlyCount "100"] [EventDate "2025.??.??"] {[%evp 0,100,39,18,25,31,24,38,24,30,-2,17,37,-6,-12,-39,21,19,28,5,24,-10,32,26,44,33,44,3,43,41,52,17,55,34,30,31,32,12,23,23,34,-36,-5,-22,-9,-26,1,5,9,1,6,10,26,25,26,28,4,20,23,27,13,20,8,3,5,0,46,22,0,12,52,0,-1,-1,-3,-97,-74,-80,-86,-120,-94,-37,-37,-252,74,77,289,293,322,322,334,334,349,349,345,362,386,434,393,431,440,446,453]} 1. e4 {ChessBase II} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a6 7. O-O O-O 8. h3 h6 9. Nbd2 Be6 10. Re1 Re8 11. Bxe6 fxe6 (11... Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Nf1 d5 15. Ng3 Rd8 16. exd5 Qxd5 17. Be3 Qxd3 18. Qxd3 Rxd3 19. Bxa7 Nxa7 20. Nxe5 Rd5 21. Ng4 Nxg4 22. Rxe6 fxe6 23. hxg4 a5 24. f3 Nc6 25. Rb1 b6 26. Ne4 {Carlsen,M (2834)-Kramnik,V (2787) Wijk aan Zee 2018 CBM 183 [ChessBase II] ½-½ (63)}) 12. b4 Ba7 13. Nf1 b5 14. Be3 $146 (14. Ng3 d5 15. Qb3 Qd6 16. Bd2 Kh7 17. Rad1 Rab8 18. axb5 axb5 19. Ra1 Nd7 20. Qc2 Kh8 21. Nh4 Nf8 22. Qc1 Qe7 23. Nf3 Ng6 24. Ra6 Bb6 25. d4 Qf7 26. Be3 Nf4 27. Qd1 dxe4 28. Nxe4 Qg6 {Selkovski,Z (1905)-Manova,I (1953) Skopje 2018 1-0 (42)}) 14... Bxe3 15. Rxe3 Ne7 16. Qb3 Ng6 17. g3 Qd7 18. Kg2 a5 19. axb5 Qxb5 20. Qa4 $6 {Inaccuracy. d4 was best.} (20. d4 axb4) 20... Qxa4 21. Rxa4 axb4 22. Rxb4 Rab8 23. Rxb8 Rxb8 24. N1d2 Kf7 25. Re1 Rb2 26. Ra1 Rc2 27. Ra3 Ke7 28. Nc4 h5 29. Kf1 h4 30. Ne3 Rb2 31. Nc4 Rb1+ 32. Kg2 Nh5 33. d4 exd4 34. cxd4 Rc1 35. Ncd2 hxg3 36. fxg3 Rc2 37. g4 $2 {Mistake. Kf2 was best.} (37. Kf2) 37... Ngf4+ 38. Kh2 Nf6 39. Re3 e5 $6 {Inaccuracy. g5 was best.} (39... g5 40. e5 N6d5 41. Rb3 Nc3 42. Kh1 Nxh3 43. exd6+ cxd6 44. Rb7+ Kd8 45. Kg2) 40. dxe5 dxe5 41. Kg3 $4 {Blunder. g5 was best.} (41. g5) 41... Kd6 $4 {Blunder. g5 was best.} (41... g5 42. Re1 c5 43. Kf2 c4 44. Kf1 Nxh3 45. Ra1 Nxg4 46. Nxc4 Rxc4 47. Kg2) 42. Nxe5 N4h5+ $4 {Blunder. Ne6 was best.} (42... Ne6 43. Nef3 Ke7 44. Ra3 g6 45. h4 Nd7 46. Ra5 Rc3 47. h5 gxh5 48. gxh5) 43. gxh5 Nxh5+ 44. Kg4 Kxe5 45. Nf3+ Kf6 46. Kxh5 c5 47. e5+ Ke6 48. Ng5+ Ke7 49. Kg6 c4 50. Kxg7 c3 {1-0 White wins. PRECISÃO: BRANCAS 93% PRETAS 85%} 1-0 [Event "MAGISTRAL ALBERTO LOMBARDI - CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.09.29"] [Round "1.4"] [White "Santos Filho, Tadeu Sousa"] [Black "Nogueira, Adnilton Correia De"] [Result "1-0"] [ECO "C47"] [WhiteElo "2034"] [BlackElo "1638"] [Annotator "Chessbase"] [PlyCount "108"] [EventDate "2025.??.??"] {[%evp 0,108,18,38,38,20,20,18,18,0,55,36,23,20,68,71,65,51,57,51,88,105,280,145,121,110,97,106,109,115,129,115,129,139,162,168,164,156,171,132,129,144,166,144,164,113,165,138,167,146,202,164,288,121,146,163,195,198,217,214,291,213,205,192,216,192,298,299,299,285,296,259,280,250,233,233,233,231,263,250,260,255,320,243,282,230,316,331,360,343,364,282,373,258,315,317,317,321,434,152,319,289,288,165,209,207,238,219,365,211,374]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. Bb5 (5. Bc4 Nxe4 6. Nxe4 d5 7. Bd3 dxe4 8. Bxe4 Bd6 9. O-O O-O 10. Re1 Re8 11. h3 Bd7 12. d3 h6 13. Bd2 Qf6 14. Bc3 Rad8 15. Nd2 Bc5 16. Qf3 Qh4 17. Bd5 Re7 18. Re4 Qg5 19. Rc4 Bd4 {Lintchevski,D (2579)-Sandalakis,A (2406) Kavala 2015 ½-½ (37)}) 5... Be7 6. d4 O-O $6 $146 {Inaccuracy. exd4 was best.} (6... exd4 7. Nxd4 (7. Bxc6+ bxc6 8. Nxd4 Bd7 9. Qf3 O-O 10. O-O Re8 11. Bf4 c5 12. Nb3 Rb8 13. Rab1 Bc6 14. Rfd1 Qc8 15. h3 Nd7 16. Na5 Ba8 17. Nd5 Bxd5 18. exd5 Bf6 19. b3 Qa6 20. Nc6 Ra8 21. b4 {Juracsik,J (2145)-Montolio Benedicto,C (1962) Budapest 2012 1-0 (53)}) 7... Bd7 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. O-O O-O 11. Kh1 (11. Qd3 Nd7 12. Qa6 Nb6 13. a4 Qc8 14. Qe2 Bf6 15. a5 Nd7 16. Ra3 Rb8 17. Nd1 Re8 18. Rh3 Rb5 19. Bd2 Nf8 20. f4 Qf5 21. Re1 {Bellon Lopez,J (2271)-Olofsson-Dolk,M (2182) Sweden SWE 2025 0-1 (46)}) (11. f4) 11... Qd7 12. h3 Qe6 13. Qf3 d5 14. exd5 cxd5 15. Bf4 c6 16. Rae1 Qd7 17. Qd3 Bd6 18. Bd2 Nh5 19. g4 Nf4 20. Qf3 Ng6 21. Ne2 {Ostrowska,J (1541)-Leszczewska,E (1389) Szczyrk 2013 ½-½ (54)}) 7. Bxc6 bxc6 8. dxe5 Ng4 9. exd6 Bxd6 10. h3 Nf6 $4 {Blunder. Ne5 was best.} (10... Ne5 11. Nxe5 Bxe5 12. Qxd8 Rxd8 13. Bd2 Ba6 14. O-O-O Rd6 15. Be3 Bxc3 16. bxc3) 11. O-O $4 {Blunder. e5 was best.} (11. e5 Ba6 12. Be3 Rb8 13. exd6 cxd6 14. b3 d5 15. Ne2 d4 16. Qxd4 Nd5) 11... Nd7 12. Bg5 Qe8 13. Qd2 $6 {Inaccuracy. Bh4 was best.} (13. Bh4 Ne5 14. Re1 f6 15. Bg3 a5 16. Nxe5 fxe5 17. Qd3 h5 18. Nd1 a4) 13... Ne5 14. Nxe5 Bxe5 $6 {Inaccuracy. Qxe5 was best.} (14... Qxe5 15. f4) 15. Rfe1 f6 $6 {Inaccuracy. Rb8 was best.} (15... Rb8 16. Rab1 Qd7 17. Qe3 Qd4 18. Qxd4 Bxd4 19. Be3 Bxc3 20. bxc3 Rb5 21. Rb4) 16. Bf4 Bd7 17. Rad1 Rd8 18. Qe3 Qg6 19. Bg3 Be6 20. Bxe5 Rxd1 21. Rxd1 fxe5 22. Qg3 $6 {Inaccuracy. Rd3 was best.} (22. Rd3 h6 23. Qxa7 Bc4 24. Rg3 Qd6 25. b3 Bf7 26. Rd3 Qe7 27. a4 Qa3) 22... Qf7 $6 {Inaccuracy. Qxg3 was best.} (22... Qxg3 23. fxg3 c5 24. b3 c4 25. b4 Rf7 26. g4 Rd7 27. Kf2 Rxd1 28. Nxd1) 23. Rd3 Qh5 24. Qe3 a6 25. Qc5 Qg5 $6 {Inaccuracy. Qh4 was best.} (25... Qh4 26. Qe3 h6 27. Na4 Kh7 28. Nc5 Rf6 29. Rc3 Qh5 30. Nd3 Qd1+ 31. Ne1) 26. Qe3 $6 {Inaccuracy. Qxc6 was best.} (26. Qxc6 Bf7 27. Qxc7 Qc1+ 28. Nd1 Qg5 29. Qc5 h6 30. Qe3 Qh4 31. Nc3 a5) 26... Qe7 27. Na4 h6 28. Nc5 Qf7 29. b3 Kh7 30. a4 Bc8 31. Rd2 Qg6 32. Nd3 Rd8 $6 {Inaccuracy. Qh5 was best.} (32... Qh5 33. g4 Qe8 34. Qg3 Qg6 35. Re2 c5 36. Kg2 Re8 37. Nxe5 Rxe5 38. Qxe5) 33. Nxe5 Qe8 34. Rxd8 Qxd8 35. Qd3 Qg5 36. Nf3 Qc1+ 37. Kh2 Qf4+ 38. g3 Qf7 39. g4 Qf4+ 40. Kg2 Be6 41. Qe3 Qd6 42. Qd4 Qf4 43. Qe5 Qf7 44. Nd4 Bd7 45. Nf5 h5 46. g5 Be6 47. Kg3 g6 48. Nh4 c5 49. Qf6 $6 {Inaccuracy. f4 was best.} (49. f4 Qe8 50. f5 gxf5 51. exf5 Bd7 52. g6+ Kg8 53. Qxe8+ Bxe8 54. f6 Bd7) 49... a5 $6 {Inaccuracy. Qxf6 was best.} (49... Qxf6 50. gxf6 c4 51. bxc4 g5 52. Nf3 h4+ 53. Kg2 Kh6 54. c5 a5 55. Nd4) 50. Qxf7+ Bxf7 51. e5 $4 {Blunder. c4 was best.} (51. c4 Be8 52. Nf3 Bc6 53. Kf4 Bd7 54. h4 Bg4 55. Nd2 Kg7 56. Ke5 Kf7) 51... Be6 $4 {Blunder. c4 was best.} (51... c4) 52. Ng2 $2 {Mistake. Nf3 was best.} (52. Nf3 Bf5 53. c3 Bc2 54. Nd2 Kg8 55. Nc4 Bxb3 56. Nxa5 Bxa4 57. Nb7 c4) 52... Kg7 $2 {Mistake. c4 was best.} (52... c4 53. bxc4 Bd7 54. Ne3 Bxa4 55. Nd5 Bc6 56. Nxc7 Kg8 57. h4 a4 58. Nb5) 53. Nf4 Bg8 54. Nd3 Kf8 {1-0 White wins. PRECISÃO: BRANCAS 86% PRETAS 84%} 1-0 [Event "MAGISTRAL ALBERTO LOMBARDI - CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.09.29"] [Round "1.5"] [White "Dos Santos, Vinicius Goncalves"] [Black "De Moura Silva, Guilherme"] [Result "0-1"] [ECO "B40"] [BlackElo "1968"] [Annotator "Chessbase"] [PlyCount "100"] [EventDate "2025.??.??"] {[%evp 0,90,20,20,48,54,82,-7,0,-13,-14,-3,-13,-7,2,-79,-123,-125,-98,-89,-84,-115,-68,-56,-38,-378,-332,-360,-346,-346,-364,-369,-276,-299,-254,-251,-289,-283,-244,-249,-244,-253,-247,-269,-235,-247,-217,-227,-228,-245,-228,-234,-151,-144,-141,-136,-137,-130,-128,-151,-129,-129,-120,-166,-169,-238,80,-170,-147,-147,-143,-223,-209,-221,-226,-232,-233,-245,-245,-271,-238,-247,-271,-262,-250,-281,-294,-316,-280,-279,-286,-291,-291]} 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bb4 7. Bg5 $2 {Mistake. Nxc6 was best.} (7. Nxc6 bxc6 8. Bd3 e5 9. O-O O-O 10. Be3 Bxc3 11. bxc3 d6) 7... Qa5 (7... h6 8. Be3 Nxe4 9. Qc2 Nxc3 10. bxc3 Be7 11. Bd3 Bf6 12. O-O O-O 13. f4 b6 14. f5 Bb7 15. Qd2 Ne5 16. Bc2 Nxc4 17. Qc1 Nxe3 18. Qxe3 Qc7 19. Rf4) 8. Nxc6 Bxc3+ 9. bxc3 Qxg5 10. Nd4 (10. Nb4 Qe5 11. Qd4 Qxe4+ 12. Be2 b6 13. f3 Qxd4 14. cxd4 Bb7 15. Kf2 Rc8 16. Rac1 d6 17. Rhe1 Kd7 18. Red1 Ke7 19. Rd2 Rc7 20. Nc2 d5 21. Ne3 Rhc8 22. Rdc2 dxc4 23. Bxc4 Nd5 24. Bb3 Rxc2+ {Neves,C (1927)-Pontes,L (1878) Clube Pinto Paiva 2024 0-1}) (10. h4 Qf4 11. Nd4 Nxe4 12. Qc2 Nc5 13. Be2 Qe4 14. O-O-O Qxc2+ 15. Kxc2 a6 16. Bf3 Ke7 17. Rhe1 g6 18. Rb1 d6 19. Rb6 Rd8 20. g4 Ra7 21. Bg2 Nd7 22. Rb4 Ne5 23. Reb1 a5 24. Rb5 Nxc4) 10... O-O $146 (10... Nxe4 11. Qc2 (11. Nb5 O-O 12. Qd4 f5 13. f3 Nf6 14. Nc7 Rb8 15. Qxa7 Ne4 16. fxe4 fxe4 17. Nb5 Qf4 18. Be2 e3 19. O-O-O d5 20. Rdf1 Qe5 21. Rxf8+ Kxf8 22. Qc5+ {1-0 (22) Arias Torio,S-Vega Viejo,M (2226) Santa Olaya 1999}) 11... f5 (11... Nc5 12. h4 (12. Nf3 Qg6 (12... Qf6 13. Be2 O-O 14. O-O b6 15. Nd4 Bb7 16. Nb3 Rac8 17. f3 d5 18. cxd5 Nxb3 19. axb3 Rxc3 20. Qd1 Bxd5 21. Rxa7 Rxb3 22. Qe1 Rb2 23. Ra4 b5 24. Rg4 h5 25. Rg3 {Roothaan,E (1352)-Wedda,D (1879) Rotterdam 2016 0-1 (53)}) 13. Qxg6 hxg6 14. Be2 b6 15. O-O Ne4 16. Rac1 Ba6 17. Rfd1 d5 18. Rd4 Nd6 19. cxd5) 12... Qg6 13. Qxg6 hxg6 14. g3 b6 15. Nb5 Ke7 16. Bg2 Bb7 17. Bxb7 Nxb7 18. O-O-O a6 19. Na3 Rac8 20. Rd4 Rc6 21. Rhd1 d6 22. Kb2 Na5 23. R1d2 Rhc8 24. R4d3 Rxc4 25. Rxd6 {Kjartansson,D-Mastrovasilis,D Szeged 1994 0-1}) 12. Bd3 Qxg2 13. Bxe4 Qxe4+ 14. Qxe4 fxe4 15. Ke2 O-O 16. Ke3 b6 17. Nb5 Bb7 18. Nd6 Rf3+ 19. Ke2 Bc6 20. Rac1 Raf8 21. Rhf1 g6 22. Nb5 a5 23. Nd4 Rh3 24. Nxc6 dxc6) 11. Qf3 d5 $6 {Inaccuracy. Qa5 was best.} (11... Qa5 12. Rb1) 12. Bd3 $4 {Blunder. exd5 was best.} (12. exd5) 12... dxe4 13. Bxe4 Qe5 14. O-O Qxe4 15. Qg3 e5 16. Rae1 Qf4 17. Rxe5 Qxg3 18. hxg3 Be6 19. Nxe6 fxe6 20. Rxe6 Rfe8 21. Rd6 Rad8 22. Rd4 Rxd4 23. cxd4 Re2 24. Rd1 Ne4 25. f3 Nd2 $6 {Inaccuracy. Nf6 was best.} (25... Nf6 26. g4 Rxa2 27. g5 Nd7 28. c5 Rb2 29. f4 Kf8 30. f5 h6 31. gxh6) 26. c5 Kf7 27. d5 Ke7 28. Rc1 Kd7 29. a4 $6 {Inaccuracy. g4 was best.} (29. g4 Re5 30. c6+ bxc6 31. dxc6+ Kc7 32. Rc3 Rd5 33. Kf2 a5 34. Ke3 a4) 29... Re5 30. c6+ bxc6 31. dxc6+ Kc7 32. Rc2 Re7 $4 {Blunder. Nb3 was best.} (32... Nb3 33. g4 Nd4 34. Rc4 Nxc6 35. Kf2 Rd5 36. Ke3 Kd6 37. Rf4 Nd8 38. Rb4) 33. Rc5 $4 {Blunder. Rxd2 was best.} (33. Rxd2) 33... Re6 $6 {Inaccuracy. Nb3 was best.} (33... Nb3 34. Rh5 g6 35. Rb5 Nd4 36. Rb1 Kxc6 37. g4 Rb7 38. Rc1+ Kd5 39. Kf2) 34. Ra5 Kb6 35. c7 Rc6 36. Rd5 Nc4 37. Rb5+ Kxc7 38. a5 a6 39. Rf5 Nd6 40. Rf8 Kd7 41. Kf2 Rc2+ 42. Ke3 Rxg2 43. Ra8 Ra2 44. Rxa6 $6 {Inaccuracy. Ra7+ was best.} (44. Ra7+ Ke6 45. Kd3 Ra3+ 46. Ke2 Nf5 47. Rxa6+ Kf7 48. Kd1 Nxg3 49. Kc2 Nf5) 44... Rxa5 45. Rxa5 Nc4+ 46. Kf4 Nxa5 47. Kf5 Nc6 48. f4 Kd6 49. Ke4 Ke6 50. g4 Ne7 {0-1 Black wins. PRECISÃO: BRANCAS 83% PRETAS 87%} 0-1 [Event "MAGISTRAL ALBERTO LOMBARDI - CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.09.29"] [Round "1.6"] [White "Bezerra, Natacio Goncalves"] [Black "Lombardi, Alberto Horacio"] [Result "1-0"] [ECO "E09"] [WhiteElo "1928"] [Annotator "Chessbase"] [PlyCount "79"] [EventDate "2025.??.??"] {[%evp 0,79,20,33,38,-5,9,-16,0,-40,-24,-11,11,-18,44,13,18,11,41,-14,-23,-11,34,36,36,36,37,23,50,41,44,40,47,39,56,21,83,13,41,20,25,3,19,-12,4,36,28,29,70,84,124,128,137,120,199,199,212,213,198,198,198,171,188,188,188,178,174,207,200,204,282,195,193,197,196,201,238,255,415,417,430,430]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Nbd2 b6 9. Rd1 Bb7 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Nf6 13. Qc2 Qc7 14. Bf4 Bd6 15. Bxd6 Qxd6 16. c5 Qe7 (16... Qc7 17. Ne5 Rfc8 18. Rac1 bxc5 19. Qxc5 Nd7 20. Qe7 Nxe5 21. Qxc7 Nf3+ 22. Bxf3 Rxc7 23. Kf1 Rd8 24. Ke2 Rd6 25. Ke3 Kf8 26. Rc5 Rcd7 27. Ra5 Ba8 28. b4 Ke7 29. Bg2 Rc7 30. f4 Rd8 31. Rc1 {Campos Gomez,M (2362)-Reshetnikov,A (2492) chess.com INT 2025 1-0 (45)}) (16... bxc5 17. dxc5 Qc7 18. Nd2 Rfd8 19. Ne4 Nxe4 20. Bxe4 h6 21. Kg2 Rxd1 22. Rxd1 Rd8 23. b4 a6 24. a4 Kf8 25. Rxd8+ Qxd8 26. b5 axb5 27. axb5 Qd7 28. Bf3 f5 29. Qc3 Qc7 30. b6 Qd7 31. Qe5 {Bahamondes Ortiz,B (2248)-Coronado Mustafa,P Temuco CHI 2025 1-0 (35)}) 17. Ne5 Rac8 18. b4 Nd5 19. Bxd5 $6 $146 {Inaccuracy. Rab1 was best.} (19. a3 Rfd8 20. Nc4 bxc5 21. bxc5 Ba6 22. Nd6 Rb8 23. Rab1 Qc7 24. Be4 Nf6 25. Bf3 Nd5 26. h4 g6 27. Kg2 Rxb1 28. Rxb1 Rb8 29. Rh1 h5 30. Bxd5 exd5 31. g4 hxg4 32. h5 g5 33. Qf5 Qe7 {Mayaud,R (2201)-Zallio,L (2079) chess.com INT 2023 ½-½ (88)}) (19. Rab1 Ba6 (19... b5 20. Re1 Qc7 21. a4 a6 22. Qb2 Rcd8 23. Ra1 Bc8 24. Nf3 Qd7) 20. Rb3 f6 21. Nf3 Rfd8 22. a3 Kh8 23. Rbb1 Rc7 24. Re1 Bc8 25. Rbd1 Bd7 26. h4 Be8 27. Nd2 Bg6 28. Qb2 bxc5 29. bxc5 Rb7 30. Qc1 Qd7 31. Nc4 Rb1 32. Qd2 Rxd1 33. Rxd1 Ne7 {Loehr,M (1985)-Haack,K (1651) Playchess.com INT 2020 1-0 (42)}) 19... exd5 20. a3 $6 {Inaccuracy. Re1 was best.} (20. Re1 Qc7 21. a4 f6 22. cxb6 axb6 23. Nd3 Ba6 24. Nf4 Qd6 25. a5 Qxb4) 20... f6 21. Ng4 Qe4 22. Qxe4 dxe4 23. Ne3 Rfd8 $6 {Inaccuracy. f5 was best.} (23... f5 24. cxb6) 24. Nc4 bxc5 $6 {Inaccuracy. Rb8 was best.} (24... Rb8 25. Nd6 Bc8 26. Re1 f5 27. f3 a5 28. fxe4 fxe4 29. Rxe4 axb4 30. axb4) 25. dxc5 Rd3 26. Re1 f5 $6 {Inaccuracy. Rc7 was best.} (26... Rc7 27. Rxe4 Ba6 28. Nd6 h5 29. h3 Kh7 30. Re3 Rd4 31. Nf5 Rd2 32. Re7) 27. Nd6 Rc7 28. Nxf5 g6 29. Nd6 Re7 30. Nxb7 Rxb7 31. Rxe4 Kf7 32. Kf1 g5 $6 {Inaccuracy. Rc3 was best.} (32... Rc3 33. Kg2 a5 34. bxa5 Ra7 35. Rb1 Rxa3 36. Rb6 R3xa5 37. Rxc6 Ra2 38. h4) 33. h4 h6 34. Kg2 Rbd7 35. Ra2 a6 36. hxg5 hxg5 37. Re5 Kf6 38. Rae2 R3d5 39. Re6+ Kf5 40. Rxc6 {1-0 White wins. PRECISÃO: BRANCAS 97% PRETAS 92%} 1-0 [Event "MAGISTRAL ALBERTO LOMBARDI - CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.09.29"] [Round "1.7"] [White "Pedro Vito, Moreira Parrini"] [Black "Lopes, Eduardo Moraes"] [Result "0-1"] [ECO "E92"] [BlackElo "1922"] [Annotator "Chessbase"] [PlyCount "84"] [EventDate "2025.??.??"] {[%evp 0,84,38,0,-1,-35,55,31,37,37,39,30,44,36,44,27,63,58,56,31,95,56,60,43,45,1,22,7,41,-11,-1,-20,-26,-26,-24,-20,1,-20,-3,-5,13,27,13,15,30,13,36,36,67,-19,-19,-188,-194,-187,-194,-187,-199,-210,-189,-202,-170,-174,-108,-108,-109,-108,-115,-141,-152,-197,-157,-165,-172,-172,-155,-165,-127,-129,-128,-181,-220,-275,-321,-343,-414,-539,-632]} 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nd7 14. Nd2 Nc5 15. Be3 Nd3+ 16. Ke2 Nf4+ 17. Bxf4 exf4 18. Rac1 (18. Nc4 Bd7 19. a4 Rab8 20. Nd6 Re7 21. Nc4 b5 22. axb5 Bxb5 23. Kf3 Bxc4 24. Bxc4 Rxb2 25. Rab1 Rc7 26. Rxb2 Bxb2 27. Bd5 Rc2 28. Rd1 Kf8 29. Rd3 g5 30. Bb3 Rc3 31. Rxc3 Bxc3 32. Kg4 Bd2 {Orlov,G (2438)-Damaraju,A (2084) chess.com INT 2025 ½-½ (81)}) 18... Be6 (18... Bxb2 19. Rc7 Be6 20. Bxe6 Rxe6 21. Rxb7 Bc3 22. Rc1 Bxd2 23. Kxd2 Rxe4 24. Rcc7 Rd8+ 25. Kc3 Rf8 26. Rb4 Rxb4 27. Kxb4 Re8 28. Rc2 Re5 29. f3 Kg7 30. Kc4 g5 31. Kd3 Ra5 32. Ke2 Kg6 33. Kf2 {Nihal,S (2576)-Sasikiran,K (2673) Sitges 2018 0-1 (47)}) 19. Bxb7 $146 (19. Bxe6 Rxe6 20. Rc4 (20. b3 f5 21. f3 Bd4 22. Rc4 Be3 23. Rhc1 fxe4 24. Rc8+ Re8 25. Rxa8 exf3+ 26. Nxf3 Rxa8 27. Rc7 b6 28. Ng5 h6 29. Nh7 Bd4 30. Kf3 Bg7 31. Kxf4 Kxh7 32. Kg4 Kg8 33. Rc6 g5 {Jurky,M (1502)-Ciocani,I (1981) Kouty nad Desnou 2021 0-1 (57)}) 20... Rd8 21. b3 b5 22. Rc7 Ra6 23. Rc2 Re6 24. Rhc1 Red6 25. Nf3 Ra6 26. Rd1 Re8 27. Kf1 h6 28. e5 g5 29. h3 Bxe5 30. Rd5 Bf6 31. Rxb5 Re7 32. Rd5 Kg7 33. Nd4 Kg6 {Nikolaidis,I (2540)-Grivas,E (2495) Corfu 1995 1-0 (75)}) 19... Rab8 20. Bc6 Red8 21. b3 Rd6 22. Rc2 Rc8 23. Rhc1 f3+ 24. Nxf3 $6 {Inaccuracy. gxf3 was best.} (24. gxf3) 24... Bh6 25. e5 $4 {Blunder. Bb7 was best.} (25. Bb7) 25... Rdxc6 26. Rxc6 Bxc1 27. Rxc8+ Bxc8 28. Nd4 Bb7 29. g3 Bb2 30. Kd3 Bxd4 31. Kxd4 Kf8 32. b4 Ke7 33. Kc5 $2 {Mistake. f4 was best.} (33. f4 Bc6) 33... g5 34. f4 gxf4 35. gxf4 Ke6 36. a4 h5 37. b5 h4 38. a5 h3 39. b6 axb6+ 40. axb6 Ba8 41. Kd4 Kf5 42. Ke3 $6 {Inaccuracy. Kc5 was best.} (42. Kc5 Kxf4 43. Kd6 Kf5 44. Ke7 Kxe5 45. Kxf7 Kf4 46. Kg6 Kf3 47. Kf7 Kg2) 42... Bb7 {0-1 Black wins. PRECISÃO: BRANCAS 89% PRETAS 97%} 0-1